I understand what you are saying, Cameron, but don't be too short sighted. Running a company also always is about image, reputation, word of mouth and the like. As you have seen at multiple/a lot/many occasions in the past months, Gizmo has taken a major image hit and no Linux support doesn't get a friendly word, too. Ultimately, a bad impression remains for some and they will be hesitant to spend 40/50/60 dollars for an add-on.
You'll need some major campaign to solve the public image of Gizmo as it stands now.
In regards to the DC-3 I also had to defend it versus the fear of a friend that the plane won't run because of it.
So. Both things (Gizmo, No Linux) add up to you loosing money. NOT only Linux itself.